Woman witnesses friend's affair with her husband, gets murdered; She time travels to change her future and seek revenge.

Ji-hyuk unexpectedly enters Ji-won's life, while Su-min invites her to a reunion to confront past traumas; Ji-won, understanding Su-min's intentions, undergoes a transformation with the support of her colleagues.

When a woman witnesses the affair between her best friend and her husband, and is murdered by them, she goes back in time to change her future and seek revenge.

When a woman witnesses the affair between her best friend and her husband, and is murdered by them, she goes back in time to change her future and seek revenge.